Sea Glass Balls worn by the sand, sun saltwater were found in the ocean currents off the island of Japan. Hurry and place you order! Due to the overwhelming response to our sea glass balls, supplies are limited! Each piece is unique and aged by the sea. Dimensions: Extra large (Giant) 18" diameter (not photographed yet), Large 13" diameter, Medium 9"-10" diameter, Small 5"-6" diameter The large is available in green, red and blue. The extra large is available in aqua and blue. The medium is available in green, blue and aqua. The Small is available in green, blue, aqua, yellow, and red.